000 - Document - Document And Entity Information
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001 - Statement - Consolidated Balance Sheets
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002 - Statement - Consolidated Balance Sheets (Parentheticals)
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003 - Statement - Consolidated Statements of Operations and Comprehensive Income (Loss)
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004 - Statement - Consolidated Statements of Operations and Comprehensive Income (Loss) (Parentheticals)
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005 - Statement - Consolidated Statements of Stockholders' Equity
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006 - Statement - Consolidated Statements of Cash Flows
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007 - Disclosure - Note 1 - Basis of Presentation and Significant Accounting Policies
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008 - Disclosure - Note 2 - Investments
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009 - Disclosure - Note 3 - Notes Receivable
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010 - Document - Note 4 - Fair Value of Financial Instruments
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011 - Disclosure - Note 5 - Commitments and Contingencies
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012 - Disclosure - Note 6 - Income Taxes
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013 - Disclosure - Note 7 - Stockholders' Equity
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014 - Disclosure - Note 8 - Stock Options and Warrants
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015 - Disclosure - Note 9 - Concentration of Credit Risk and Significant Customers
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016 - Disclosure - Significant Accounting Policies (Policies)
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017 - Disclosure - Note 1 - Basis of Presentation and Significant Accounting Policies (Tables)
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018 - Disclosure - Note 2 - Investments (Tables)
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019 - Disclosure - Note 4 - Fair Value of Financial Instruments (Tables)
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020 - Disclosure - Note 6 - Income Taxes (Tables)
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021 - Disclosure - Note 8 - Stock Options and Warrants (Tables)
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022 - Disclosure - Note 1 - Basis of Presentation and Significant Accounting Policies (Details Textual)
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023 - Statement - Note 1 - Basis of Presentation and Significant Accounting Policies (Details) - Schedule of Property, Plant and Equipment (Details)
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024 - Statement - Note 1 - Basis of Presentation and Significant Accounting Policies - Schedule of Earnings Per Share (Details)
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025 - Disclosure - Note 2 - Investments (Details Textual)
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026 - Statement - Note 2 - Investments - Schedule of Available-For-Sale Equity Securities Reconciliation (Details)
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027 - Disclosure - Note 3 - Notes Receivable (Details Textual)
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028 - Statement - Note 4 - Schedule of Fair Value, Assets Measured On Recurring Basis (Details)
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029 - Disclosure - Note 5 - Commitments and Contingencies (Details Textual)
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030 - Disclosure - Note 6 - Income Taxes (Details Textual)
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031 - Statement - Note 6 - Schedule of Deferred Tax Assets and Liabilities (Details)
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032 - Statement - Note 6 - Schedule of Effective Income Tax Rate Reconciliation (Details)
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033 - Statement - Note 6 - Schedule of Effective Income Tax Rate Reconciliation (Details) (Parentheticals)
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034 - Statement - Note 6 - Loss Operating Carryforwards (Details)
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035 - Disclosure - Note 7 - Stockholders' Equity (Details Textual)
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036 - Disclosure - Note 8 - Stock Options and Warrants (Details Textual)
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037 - Statement - Note 8 - Schedule of Share-based Compensation, Activity (Details)
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038 - Disclosure - Note 9 - Concentration of Credit Risk and Significant Customers (Details Textual)
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